x86, cpufeature: Define the Intel MPX feature flag

Define the Intel MPX (Memory Protection Extensions) CPU feature flag
in the cpufeature list.

Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
Link: http://lkml.kernel.org/r/1386375658-2191-2-git-send-email-qiaowei.ren@intel.com
Signed-off-by: Xudong Hao <xudong.hao@intel.com>
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 89270b4..e099f95 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -216,6 +216,7 @@
 #define X86_FEATURE_ERMS       (9*32+ 9) /* Enhanced REP MOVSB/STOSB */
 #define X86_FEATURE_INVPCID    (9*32+10) /* Invalidate Processor Context ID */
 #define X86_FEATURE_RTM                (9*32+11) /* Restricted Transactional Memory */
+#define X86_FEATURE_MPX                (9*32+14) /* Memory Protection Extension */
 #define X86_FEATURE_RDSEED     (9*32+18) /* The RDSEED instruction */
 #define X86_FEATURE_ADX                (9*32+19) /* The ADCX and ADOX instructions */
 #define X86_FEATURE_SMAP       (9*32+20) /* Supervisor Mode Access Prevention */